proxmark3/client/proxmark3.c

//-----------------------------------------------------------------------------
// Copyright (C) 2009 Michael Gernoth <michael at gernoth.net>
// Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
//
// This code is licensed to you under the terms of the GNU GPL, version 2 or,
// at your option, any later version. See the LICENSE.txt file for the text of
// the license.
//-----------------------------------------------------------------------------
// Main binary
//-----------------------------------------------------------------------------
#include "proxmark3.h"

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <pthread.h>
#include <unistd.h>
#include <readline/readline.h>
#include <readline/history.h>

#include "util_posix.h"
#include "proxgui.h"
#include "cmdmain.h"
#include "ui.h"
#include "util.h"
#include "cmdparser.h"
#include "cmdhw.h"
#include "whereami.h"
#include "comms.h"

#if defined(__linux__) || (__APPLE__)
static void showBanner(void){
	printf("\n\n");
	printf("\e[34m██████╗ ███╗   ███╗ ████╗\e[0m     ...iceman fork\n");
	printf("\e[34m██╔══██╗████╗ ████║   ══█║\e[0m      ...dedicated to \e[34mRDV40\e[0m\n");
	printf("\e[34m██████╔╝██╔████╔██║ ████╔╝\e[0m\n");
	printf("\e[34m██╔═══╝ ██║╚██╔╝██║   ══█║\e[0m    iceman@icesql.net\n");
	printf("\e[34m██║     ██║ ╚═╝ ██║ ████╔╝\e[0m  https://github.com/iceman1001/proxmark3\n");
	printf("\e[34m╚═╝     ╚═╝     ╚═╝ ╚═══╝\e[0m pre v4.0\n");
	printf("\nKeep iceman fork alive with a donation!           https://paypal.me/iceman1001/");
	printf("\nMONERO: 43mNJLpgBVaTvyZmX9ajcohpvVkaRy1kbZPm8tqAb7itZgfuYecgkRF36rXrKFUkwEGeZedPsASRxgv4HPBHvJwyJdyvQuP");
	printf("\n\n\n");
	fflush(stdout);
}
#endif

void
#ifdef __has_attribute
#if __has_attribute(force_align_arg_pointer)
__attribute__((force_align_arg_pointer)) 
#endif
#endif
main_loop(char *script_cmds_file, char *script_cmd, bool usb_present) {

	char *cmd = NULL;
	bool execCommand = (script_cmd != NULL);
	bool stdinOnPipe = !isatty(STDIN_FILENO);
	FILE *sf = NULL;
	char script_cmd_buf[256] = {0x00};  // iceman, needs lua script the same file_path_buffer as the rest
	
	PrintAndLogEx(DEBUG, "ISATTY/STDIN_FILENO == %s\n", (stdinOnPipe) ? "true" : "false");
	
	if (usb_present) {
		SetOffline(false);
		// cache Version information now:
		if ( execCommand || script_cmds_file || stdinOnPipe)
			CmdVersion("s");
		else 
			CmdVersion("");
	} else {
		SetOffline(true);
	}

	if (script_cmds_file) {
		
		sf = fopen(script_cmds_file, "r");		
		if (sf)
			PrintAndLogEx(SUCCESS, "executing commands from file: %s\n", script_cmds_file);
	}

	read_history(".history");
	
	// loops every time enter is pressed...
	while (1) {
		
		// this should hook up the PM3 again.
		/*
		if ( IsOffline() ) {
			
			// sets the global variable, SP and offline)
			usb_present = hookUpPM3();
		
			// usb and the reader_thread is NULL,  create a new reader thread.
			if (usb_present && !IsOffline() ) {
				rarg.run = 1;
				pthread_create(&reader_thread, NULL, &uart_receiver, &rarg);
				// cache Version information now:
				if ( execCommand || script_cmds_file || stdinOnPipe)
					CmdVersion("s");
				else 
					CmdVersion("");
			}
		}
		*/

		// If there is a script file
		if (sf) {
			
			// clear array
			memset(script_cmd_buf, 0, sizeof(script_cmd_buf));
			
			// read script file
			if (!fgets(script_cmd_buf, sizeof(script_cmd_buf), sf)) {
				fclose(sf);
				sf = NULL;
			} else {
				
				// remove linebreaks
				strcleanrn(script_cmd_buf, sizeof(script_cmd_buf));

				if ((cmd = strmcopy(script_cmd_buf)) != NULL)
					PrintAndLogEx(NORMAL, PROXPROMPT"%s\n", cmd);
			}
		} else {
			// If there is a script command
			if (execCommand){
				
				if ((cmd = strmcopy(script_cmd)) != NULL)
					PrintAndLogEx(NORMAL, PROXPROMPT"%s", cmd);

				execCommand = false;
			} else {
				// exit after exec command
				if (script_cmd)
					break;

				// if there is a pipe from stdin
				if (stdinOnPipe) {
					
					// clear array
					memset(script_cmd_buf, 0, sizeof(script_cmd_buf));
					// get 
					if (!fgets(script_cmd_buf, sizeof(script_cmd_buf), stdin)) {
						PrintAndLogEx(ERR, "STDIN unexpected end, exit...");
						break;
					}
					// remove linebreaks
					strcleanrn(script_cmd_buf, sizeof(script_cmd_buf));

					if ((cmd = strmcopy(script_cmd_buf)) != NULL)
						PrintAndLogEx(NORMAL, PROXPROMPT"%s", cmd);
				
				} else {		
					cmd = readline(PROXPROMPT);
					fflush(NULL);
				}
			}
		}
		
		// execute command
		if (cmd) {
			
			// rtrim
			size_t l = strlen(cmd);
			if ( l > 0 && isspace(cmd[l - 1]))
				cmd[l-1] = 0x00;

			if (cmd[0] != 0x00) {
				int ret = CommandReceived(cmd);
				add_history(cmd);
				
				// exit or quit
				if (ret == 99) 
					break;
			}
			free(cmd);
			cmd = NULL;
		} else {
			PrintAndLogEx(NORMAL, "\n");
			break;
		}
	} // end while 
	
	if (sf)
		fclose(sf);
	
	write_history(".history");

	if (cmd) {
		free(cmd);
		cmd = NULL;
	}		
}

static void dumpAllHelp(int markdown) {
	PrintAndLogEx(NORMAL, "\n%sProxmark3 command dump%s\n\n", markdown ? "# " : "", markdown ? "" : "\n======================");
	PrintAndLogEx(NORMAL, "Some commands are available only if a Proxmark is actually connected.%s\n", markdown ? "  " : "");
	PrintAndLogEx(NORMAL, "Check column \"offline\" for their availability.\n");
	PrintAndLogEx(NORMAL, "\n");
	command_t *cmds = getTopLevelCommandTable();
	dumpCommandsRecursive(cmds, markdown);
}

static char *my_executable_path = NULL;
static char *my_executable_directory = NULL;

const char *get_my_executable_path(void) {
	return my_executable_path;
}

const char *get_my_executable_directory(void) {
	return my_executable_directory;
}

static void set_my_executable_path(void) {
	int path_length = wai_getExecutablePath(NULL, 0, NULL);
	if (path_length != -1) {
		my_executable_path = (char*)calloc(path_length + 1, sizeof(uint8_t));
		int dirname_length = 0;
		if (wai_getExecutablePath(my_executable_path, path_length, &dirname_length) != -1) {
			my_executable_path[path_length] = '\0';
			my_executable_directory = (char *)calloc(dirname_length + 2, sizeof(uint8_t));
			strncpy(my_executable_directory, my_executable_path, dirname_length+1);
			my_executable_directory[dirname_length+1] = '\0';
		}
	}
}

static void show_help(bool showFullHelp, char *command_line){
	PrintAndLogEx(NORMAL, "syntax: %s <port> [-h | -help | -m | -f | -flush | -w | -wait | -c | -command | -l | -lua] [cmd_script_file_name] [command][lua_script_name]\n", command_line);
	PrintAndLogEx(NORMAL, "\texample:'%s "SERIAL_PORT_H"'\n\n", command_line);
	
	if (showFullHelp){
		PrintAndLogEx(NORMAL, "help: <-h|-help> Dump all interactive command's help at once.\n");
		PrintAndLogEx(NORMAL, "\t%s  -h\n\n", command_line);
		PrintAndLogEx(NORMAL, "markdown: <-m> Dump all interactive help at once in markdown syntax\n");
		PrintAndLogEx(NORMAL, "\t%s -m\n\n", command_line);
		PrintAndLogEx(NORMAL, "flush: <-f|-flush> Output will be flushed after every print.\n");
		PrintAndLogEx(NORMAL, "\t%s -f\n\n", command_line);
		PrintAndLogEx(NORMAL, "wait: <-w|-wait> 20sec waiting the serial port to appear in the OS\n");
		PrintAndLogEx(NORMAL, "\t%s "SERIAL_PORT_H" -w\n\n", command_line);
		PrintAndLogEx(NORMAL, "script: A script file with one proxmark3 command per line.\n\n");
		PrintAndLogEx(NORMAL, "command: <-c|-command> Execute one proxmark3 command.\n");
		PrintAndLogEx(NORMAL, "\t%s "SERIAL_PORT_H" -c \"hf mf chk 1* ?\"\n", command_line);
		PrintAndLogEx(NORMAL, "\t%s "SERIAL_PORT_H" -command \"hf mf nested 1 *\"\n\n", command_line);
		PrintAndLogEx(NORMAL, "lua: <-l|-lua> Execute lua script.\n");
		PrintAndLogEx(NORMAL, "\t%s "SERIAL_PORT_H" -l hf_read\n\n", command_line);
	}
}

int main(int argc, char* argv[]) {
	srand(time(0));
  
	bool usb_present = false;
	bool waitCOMPort = false;
	bool executeCommand = false;
	bool addLuaExec = false;
	char *script_cmds_file = NULL;
	char *script_cmd = NULL;

	 /* initialize history */
	using_history();

#ifdef RL_STATE_READCMD
  	rl_extend_line_buffer(1024);		
#endif
  
	if (argc < 2) {
		show_help(true, argv[0]);
		return 1;
	}

	for (int i = 1; i < argc; i++) {
	
		// helptext
		if (strcmp(argv[i], "-h") == 0 || strcmp(argv[i], "-help") == 0) {
			show_help(false, argv[0]);
			dumpAllHelp(0);
			return 0;
		}
		
		// dump markup
		if (strcmp(argv[i], "-m") == 0) {
			dumpAllHelp(1);
			return 0;
		}	   

		// flush output
		if (strcmp(argv[i], "-f") == 0 || strcmp(argv[i], "-flush") == 0){
			SetFlushAfterWrite(true);
			PrintAndLogEx(INFO, "Output will be flushed after every print.\n");
		}
		
		// wait for comport
		if (strcmp(argv[i], "-w") == 0 || strcmp(argv[i], "-wait") == 0){
			waitCOMPort = true;
		}

		// execute pm3 command
		if (strcmp(argv[i], "-c") == 0 || strcmp(argv[i], "-command") == 0){
			executeCommand = true;
		}

		// execute lua script
		if (strcmp(argv[i], "-l") == 0 || strcmp(argv[i], "-lua") == 0){
			executeCommand = true;
			addLuaExec = true;
		}
	}

	// If the user passed the filename of the 'script' to execute, get it from last parameter
	if (argc > 2 && argv[argc - 1] && argv[argc - 1][0] != '-') {
		if (executeCommand){
			script_cmd = argv[argc - 1];
			
			while (script_cmd[strlen(script_cmd) - 1] == ' ')
				script_cmd[strlen(script_cmd) - 1] = 0x00;
			
			if (strlen(script_cmd) == 0) {
				script_cmd = NULL;
			} else {
				if (addLuaExec){
					// add "script run " to command
					int len = strlen(script_cmd) + 11 + 1;
					char *ctmp = (char*) calloc(len, sizeof(uint8_t));
					if (ctmp != NULL) {
						memset(ctmp, 0, len);
						strcpy(ctmp, "script run ");
						strcpy(&ctmp[11], script_cmd);
						script_cmd = ctmp;
					}
				}
				
				PrintAndLogEx(SUCCESS, "execute command from commandline: %s\n", script_cmd);
			}
		} else {
			script_cmds_file = argv[argc - 1];
		}
	}

	// check command
	if (executeCommand && (!script_cmd || strlen(script_cmd) == 0)){
		PrintAndLogEx(WARNING, "ERROR: execute command: command not found.\n");
		return 2;
	}

#if defined(__linux__) || (__APPLE__)
// ascii art doesn't work well on mingw :( 

	bool stdinOnPipe = !isatty(STDIN_FILENO);
	if ( !executeCommand && !script_cmds_file && !stdinOnPipe )
		showBanner();  
#endif
	
	// set global variables
	set_my_executable_path();
	
	// try to open USB connection to Proxmark
	usb_present = OpenProxmark(argv[1], waitCOMPort, 20, false);

#ifdef HAVE_GUI

#  ifdef _WIN32
	InitGraphics(argc, argv, script_cmds_file, script_cmd, usb_present);
	MainGraphics();
#  else
	// for *nix distro's,  check enviroment variable to verify a display
	char* display = getenv("DISPLAY");
	if (display && strlen(display) > 1) {
		InitGraphics(argc, argv, script_cmds_file, script_cmd, usb_present);
		MainGraphics();
	} else {
		main_loop(script_cmds_file, script_cmd, usb_present);
	}
#  endif
	
#else
	main_loop(script_cmds_file, script_cmd, usb_present);
#endif	
 
 	// Clean up the port
	if (usb_present) {
		CloseProxmark();
	}
	
	exit(0);
}